function updateInterests(resp){
	//console.debug(resp)
	var count = document.getElementById('interest-count');
	if(count){
		curr = parseInt(count.innerHTML);
		count.innerHTML = ++curr;
	}
	alert(resp.message)
	
	if(resp.type == 'success'){
		var button = document.getElementById('button-interest');
		button.parentNode.removeChild(button);
	}
}

function setInterest(){
	new Ajax.Request('/events/${repr(event.id)}/set-interest',	{                         
		method:'get',
		onSuccess: function(transport, json){
			//document.getElementById('throbber').style.display = 'none';
			var response = transport.responseText || "no response text";
			//console.log(transport.responseJSON)
			//alert(response)
			updateInterests(transport.responseJSON);
			tries =0;
		},
		onFailure: function(){
			if(tries < 1){
				tries++;
				setInterest();
				return;
			}
			//document.getElementById('throbber').style.display = 'none';
			alert('There was a problem. Please try to reselect the filters')
			tries = 0;
		}
	});
}